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Finding the Fourth Proportional to 6,326.88, 9,477.36 and 3,553.44

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Solution

The fourth proportional to 6,326.88, 9,477.36 and 3,553.44 is: 5,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.88 : 9,477.36 = 3,553.44 : x
  2. Step 2: Convert to fraction form
    6,326.88/9,477.36 = 3,553.44/x
  3. Step 3: Cross multiply
    6,326.88x = 9,477.36 × 3,553.44
  4. Step 4: Simplify right side
    6,326.88x = 33,677,230.12
  5. Step 5: Solve for x
    x = 33,677,230.12/6,326.88
  6. Step 6: Final answer
    x = 5,322.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.